Li-ion Battery Quiz

What is the main advantage of Lithium-ion (Li-ion) batteries?

• High self-discharge rate

• High energy density

• Low voltage

• Non-rechargeable

Which shape of Li-ion battery is used in Tesla Model S?

• Cylindrical

• Prismatic

• Pouch

• Coin

What is the primary function of a Battery Management System (BMS)?

• Increase battery weight

• Monitor and manage battery performance

• Reduce battery life

• Generate electricity

Which type of Li-ion battery is used in smartphones?

• Nickel-Metal Hydride (NiMH)

• Lithium Iron Phosphate (LFP)

• Lithium Cobalt Oxide (LCO)

• Lead Acid

What is the main disadvantage of Li-ion batteries?

• High cost

• Low power output

• Cannot be recharged

• Heavy weight

Which of the following is NOT a type of Li-ion battery based on chemistry?

• Lithium Nickel Cobalt Aluminum Oxide (NCA)

• Lithium Titanate (LTO)

• Nickel Zinc (NiZn)

• Lithium Manganese Oxide (LMO)

What is the purpose of cell balancing in a battery pack?

• Increase temperature

• Reduce lifespan

• Ensure all cells have equal charge and capacity

• Increase internal resistance

What is the typical voltage range for a Li-ion battery?

• 1.2V – 1.5V

• 2.0V – 2.8V

• 3.0V – 4.2V

• 5.0V – 6.5V

Which balancing method dissipates excess energy as heat?

• Active balancing

• Passive balancing

• Capacitive balancing

• DC-DC converter balancing

What is "thermal runaway" in Li-ion batteries?

• A cooling process

• Uncontrolled temperature rise leading to fire/explosion

• A method for faster charging

• A way to increase battery lifespan